Release description

There have been many improvements to hardware-accelerated 3D graphics drivers, providing better performance and stability for supported products. In this release, support has been added or refined for the recently released 4th Generation Intel® Core™ Processors with Intel® HD Graphics, Intel® Iris™ Graphics, or Intel® Iris™ Pro Graphics.

Hardware-accelerated H.264/AVC encoding, MPEG-2 encoding, and video processing have been added for supported products, as detailed in the "Media Drivers" section below.

Highlighted new features or fixed bugs

Kernel

hotplug improvements

Stolen mem support.

DDI code cleanups.

Some refactorings around LVDS and DP code.

Dynamic power well support for Haswell.

Clarifications of the GPU hang/reset state transitions.

Haswell ELD fixes.

Broadcast RBG improvements and reduced color range fixes.

Regression fix for 8-bit FB console.

Preserve lane reversal bits on DDI/FDI ports.

Page flip vs. GPU hang fixes.

Fixup lid notifier vs. suspend/resume races.

Panel fitter regression fix.

Complete and detailed list can found at Maintainer's (Daniel Vetter) post.

In order to get support for NoiseReduction/Deinterlacing/ColorBalance on HSW in libva-intel-driver, VECS ring support (VEBOX unit) support on kernel is required. This support is not included on Linux Kernel 3.9.5 used in this 2013Q2 stack release and can be foud at our development branch: drm-intel-next.

Validation Hardware

This release was validated on the following hardware, and part of the test results are published here.